- DESCRIPTION
- Specifications
- Geometry
- Sizing Guide
DESCRIPTION
Stumpjumper 15 Alloy is here to obliterate every trade-off in the trail game. Devour bumps like a big bike? Check. Short-travel control, playfulness, and efficiency? Double check. How about a heaping helping of personalization to make it perfect for the only rider who really matters—you? Check, check, check.
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All-new M5 alloy frame with SWAT door integration
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Roval Traverse alloy wheels with DT Swiss hubs
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Ride Dynamics Tuned FOX DHX Factory coil shock
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Beefy FOX FLOAT 38 Factory fork with GRIP X2 damper
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Performance-focused and durable Shimano SLX drivetrain
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Big stopping power from TRP Trail EVO 4-piston brakes
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Adjustable travel PNW LOAM dropper post
- Lifetime replacement of suspension pivot bearings to the original owner
Specifications
SWAT
SWAT internal downtube storage
Frame
M5 Alloy chassis and rear-end, head tube angle adjustment, and 145mm of travel
Rear Shock
FOX DHX Factory, Ride Dynamics Trail Tune, 210x55mm, S2: 400lbs, S3: 450lbs, S4: 500bs, S5: 550lbs, S6: 600lbs
Fork
FOX FLOAT 38 Factory, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm QR axle, 44mm offset, 160mm of travel
Front Brake
TRP DH-R EVO, 4-piston caliper, hydraulic disc, 220mm
Rear Brake
TRP DH-R EVO, 4-piston caliper, hydraulic disc, 203mm
Shifter
Shimano SLX M7100, 12-Speed
Rear Derailleur
Shimano SLX M7100, 12-Speed SGS
Cassette
Shimano SLX M7100, 12-Speed w/Hyperglide+, 10-51T
Chain
Shimano SLX M7100, 12-Speed
Crankset
Shimano SLX, M7120, 32T ring, 55mm chainline, S1-S3:165mm, S4-S6: 170mm
Bottom Brackets
Shimano, BB-MT801, Threaded
Rims
Roval Traverse, hookless alloy, 30mm inner width, tubeless ready, Front: 29, Rear: 27.5"
Front Hub
DT Swiss 370, 15x110mm, 28h
Rear Hub
DT Swiss 370, 12x148mm, 32h
Spokes
Sapim Force
Front Tire
Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3"
Rear Tire
Eliminator, GRID GRAVITY casing, GRIPTON® T9/T7 compound, 2Bliss Ready, 27.5x2.3"
Stem
Deity, 35mm clamp, 35mm length
Handlebars
Deity, Racepoint, 5-degree upsweep, 9-degree backsweep, 810 width, S2: 25mm rise: S3-S6: 38mm rise
Grips
Deity, Knuckleduster, Black
Saddle
Bridge Comp, Hollow Cr-mo rails, S1-S2: 155mm, S3-S6: 143mm
Seatpost
PNW Loam OE Dropper, tool-less travel adjust, Range lever, 34.9, S2: 150mm, S3: 170mm, S4-S6: 200mm
Weight
16.90 kg (37 lb, 4.1 oz) - Size S4
*Specification subject to change without notice.
Geometry
| S2 | S3 | S4 | S5 | S6 | ||
|---|---|---|---|---|---|---|
| A | Reach | 425 | 450 | 475 | 500 | 530 |
| B | Stack | 618 | 627 | 640 | 654 | 667 |
| C | Headtube Angle | 64.5 | 64.5 | 64.5 | 64.5 | 64.5 |
| D | Seat Tube Length | 385 | 405 | 425 | 445 | 465 |
| E | Front Center | 751 | 780 | 812 | 843 | 879 |
| F | Bottom Bracket Height | 337 | 337 | 337 | 337 | 337 |
| G | Bottom Bracket Drop | 38 | 38 | 38 | 38 | 38 |
| H | Wheelbase | 1181 | 1213 | 1244 | 1285 | 1322 |
| I | Chainstay Length | 432 | 435 | 435 | 445 | 445 |
| J | Headtube Length | 100 | 110 | 125 | 140 | 155 |
| K | Top Tube Length | 573 | 595 | 624 | 647 | 677 |
| L | Seat Tube Angle | 76.5 | 77 | 76.9 | 77.3 | 77.6 |
| M | Bike Standover Height | 751 | 745 | 745 | 745 | 751 |
*ALL MEASUREMENTS IN DEGREES OR MILLIMETRES
Sizing Guide
| Size | Height | |
|---|---|---|
| Imperial | Metric | |
| S1 | 4'11" - 5'3" | 150 - 160cm |
| S2 | 5'2" - 5'8" | 157 - 173cm |
| S3 | 5'5" - 5'11" | 165 - 180cm |
| S4 | 5'8" - 6'2" | 173 - 188cm |
| S5 | 5'10" - 6'4" | 178 - 193cm |
| S6 | 6'2" - 6'8" | 188 - 203cm |
The sizing chart is a great place to start when picking your next bike but everyone will fit a bike a bit differently. Your torso, arm, and leg lengths all play into what size of bike you may need. Plus, there's your own personal preference.
We always recommend swinging by the shop and taking the bike that you're looking for a spin to see how it feels. If you're unable to come by, looking at the geometry of your current bike and comparing it is a good place to start. If you have any further questions, our customer service team is there to help.
